LINCHUK, Y. S. On a class of diagonal operators in the spaces of analytic functions and its application . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 3, p. 25–28, 2014. DOI: 10.15407/dopovidi2014.03.025. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15603. Acesso em: 20 jun. 2026.